<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>书籍购物车</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div id="app">
        <h1>图书购物车</h1>
        <div v-if="books.length">
            <table border="1">
                <thead>
                <tr>
                    <th></th>
                    <th>书籍名称</th>
                    <th>出版日期</th>
                    <th>价格</th>
                    <th>购买数量</th>
                    <th>操作</th>
                </tr>
                </thead>
                <tbody>
                <tr v-for="(item,index) in books">
                    <td>{{item.id}}</td>
                    <td>{{item.name}}</td>
                    <td>{{item.data}}</td>
                    <td>{{item.price | showPrice}}</td>
                    <td>
                        <button @click="decrement(index)">+</button>
                        {{item.count}}
                        <button @click="increment(index)" v-bind:disabled="item.count<=1">-</button>
                    </td>
                    <td>
                        <button @click="removeHandle(index)">移除</button>
                    </td>
                </tr>
                </tbody>
            </table>
            <h2>总价：{{totalPrice | showPrice}}</h2>
        </div>
        <h2 v-else>购物车为空</h2>
    </div>
</body>
    <script src="../js/vue.js"></script>
    <script src="main.js"></script>
</html>